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drm/i915/dp: Use revision field of AS SDP data structure

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Use the revision field of struct drm_dp_as_sdp instead of current
hardcoding for the AS SDP revisions.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260511123218.1589830-3-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2026-05-11 18:02:16 +05:30
parent f7abc4af2b
commit 563daf0578
2 changed files with 5 additions and 5 deletions
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3
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -4881,7 +4881,8 @@ static bool
intel_compare_dp_as_sdp(const struct drm_dp_as_sdp *a,
const struct drm_dp_as_sdp *b)
{
return a->vtotal == b->vtotal &&
return a->revision == b->revision &&
a->vtotal == b->vtotal &&
a->target_rr == b->target_rr &&
a->duration_incr_ms == b->duration_incr_ms &&
a->duration_decr_ms == b->duration_decr_ms &&

7
drivers/gpu/drm/i915/display/intel_dp.c
View File

@ -3204,6 +3204,7 @@ static void intel_dp_compute_as_sdp(struct intel_dp *intel_dp,
as_sdp->sdp_type = DP_SDP_ADAPTIVE_SYNC;
as_sdp->length = 0x9;
as_sdp->duration_incr_ms = 0;
as_sdp->revision = 0x2;
as_sdp->vtotal = intel_vrr_vmin_vtotal(crtc_state);
if (crtc_state->cmrr.enable) {
@ -5180,7 +5181,7 @@ static ssize_t intel_dp_as_sdp_pack(const struct drm_dp_as_sdp *as_sdp,
/* Prepare AS (Adaptive Sync) SDP Header */
sdp->sdp_header.HB0 = 0;
sdp->sdp_header.HB1 = as_sdp->sdp_type;
sdp->sdp_header.HB2 = 0x02;
sdp->sdp_header.HB2 = as_sdp->revision;
sdp->sdp_header.HB3 = as_sdp->length;
/* Fill AS (Adaptive Sync) SDP Payload */
@ -5367,13 +5368,11 @@ int intel_dp_as_sdp_unpack(struct drm_dp_as_sdp *as_sdp,
if (sdp->sdp_header.HB1 != DP_SDP_ADAPTIVE_SYNC)
return -EINVAL;
if (sdp->sdp_header.HB2 != 0x02)
return -EINVAL;
if ((sdp->sdp_header.HB3 & 0x3F) != 9)
return -EINVAL;
as_sdp->length = sdp->sdp_header.HB3 & DP_AS_SDP_LENGTH_MASK;
as_sdp->revision = sdp->sdp_header.HB2;
as_sdp->mode = sdp->db[0] & DP_AS_SDP_OPERATION_MODE_MASK;
as_sdp->vtotal = (sdp->db[2] << 8) | sdp->db[1];
as_sdp->target_rr = ((sdp->db[4] & 0x3) << 8) | sdp->db[3];